<template>
  <div class="my-counter">
    <button @click="list.goods_count--" type="button" class="btn btn-light">
      -
    </button>
    <input
      v-model.number="list.goods_count"
      type="number"
      class="form-control inp"
    />
    <button @click="list.goods_count++" type="button" class="btn btn-light">
      +
    </button>
  </div>
</template>

<script>
export default {
  props: {
    list: {
      type: Object,
      require: true,
    },
  },
  //侦听输入框的值不能小于1
  watch: {
    list: {
      deep: true,
      handler() {
        if (this.list.goods_count <= 1) return (this.list.goods_count = 1);
      },
    },
  },
};
</script>

<style lang="less" scoped>
.my-counter {
  display: flex;

  .inp {
    width: 45px;
    text-align: center;
    margin: 0 10px;
  }

  .btn,
  .inp {
    transform: scale(0.9);
  }
}
</style>
